package main

import "fmt"

func main()  {
	var a int = 1
	fmt.Println("a的地址是 = ",&a)
	var ptr *int = &a
	fmt.Println("指针指向的地址是 = ",ptr)
	fmt.Println("存储指针的地址是 = ",&ptr)
	fmt.Println("指针存储的值是 = ",*ptr)
}
